1. Biophysics
Section, Department of Physics and Astronomy, Faculty of Sciences, VU University, De Boelelaan 1081, 1081 HV Amsterdam, The Netherlands
2. Institute
of Molecular, Cell and Systems Biology, College of Medical, Veterinary
and Life Sciences, Bower Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
3. Department
of Solid-State NMR, Leiden Institute of Chemistry, Leiden University, Einsteinweg
55, 2333 CC Leiden, The Netherlands